package com.linkai.多线程._01_Thread_Runnable;

/**
 * @Description: 模拟龟兔赛跑
 * @Author: 林凯
 * @Date: 2021/10/19 18:17
 */
public class Race implements Runnable {

    // 胜利者
    private String winner;

    public void run() {
        for (int i = 0; i <= 100; i++) {
            // 模拟兔子休息
            if (Thread.currentThread().getContextClassLoader().equals("兔子") && i % 10 == 0) {
                try {
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            // 判断比赛是否结束
            boolean flag = gameOver(i);
            if (flag) {
                break;
            }
            System.out.println(Thread.currentThread().getName() + "---> 跑了" + i + "步");
        }
    }

    // 判断是否完成比赛
    private boolean gameOver(int steps) {
        // 判断是否有胜利者
        if (winner != null) {
            return true;
        } else {
            if (steps == 100) {
                winner = Thread.currentThread().getName();
                System.out.println("winner = " + winner);
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        Race race = new Race();
        new Thread(race, "兔子").start();
        new Thread(race, "乌龟").start();
    }

}
